Start formalising/extracting 8272 status.

Components/8272/Status.hpp

@@ -0,0 +1,45 @@
+//
+//  Status.hpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 25/11/2023.
+//  Copyright © 2023 Thomas Harte. All rights reserved.
+//
+
+#ifndef Status_hpp
+#define Status_hpp
+
+namespace Intel::i8272 {
+
+class Status {
+	public:
+		uint8_t main() const {
+			return main_status_;
+		}
+
+		void reset() {
+			main_status_ = DataReady;
+			status_[0] = status_[1] = status_[2] = 0;
+		}
+
+	private:
+		uint8_t main_status_;
+		uint8_t status_[3];
+
+		enum MainStatus: uint8_t {
+			FDD0Seeking = 0x01,
+			FDD1Seeking = 0x02,
+			FDD2Seeking = 0x04,
+			FDD3Seeking = 0x08,
+
+			ReadOrWriteOngoing	= 0x10,
+			InNonDMAExecution	= 0x20,
+			DataIsToProcessor	= 0x40,
+			DataReady			= 0x80,
+		};
+
+};
+
+}
+
+#endif /* Status_hpp */

Components/8272/i8272.cpp

@@ -276,7 +276,7 @@ void i8272::posit_event(int event_type) {
 			if(!command_.has_command()) {
 				goto wait_for_complete_command_sequence;
 			}
-			if(command_.has_geometry() == 9) {
+			if(command_.has_geometry()) {
 				cylinder_ = command_.geometry().cylinder;
 				head_ = command_.geometry().head;
 				sector_ = command_.geometry().sector;